Build a curl command online 12 uses
Build a shell-safe curl command from a method, URL, headers, and body, in your browser.
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- Runs entirely in your browser — your request data is never sent to a server
- Every value is shell-escaped, so special characters won't break the command
- Free, no account required
How it works
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1
Paste the string, expression, or value you want to inspect.
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2
It's parsed instantly and broken down on screen.
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3
Review the details or matches highlighted for you.
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4
Copy any part of the result you need.
Why use this tool
Every dev utility, one place
Format, convert, encode, decode, and generate — no more juggling ten tabs.
100% private, always
Every tool runs in your browser — your code and data are never sent anywhere.
Works on any device
Runs on Windows, Mac, Linux, iOS, and Android — nothing to install.
Instant results
No queues, no build step — results update as you type.
Built to handle real data
Full Unicode support and RFC-compliant parsing, edge cases included.
Free, always
Free to use, with no rate limits, sign-up, or trial period.
Frequently asked questions
The output uses single quotes optimized for Unix shells (bash/zsh) and may require escaping adjustments for cmd.exe.
Select a POST or PUT method, add a Content-Type header of application/json, and paste your data in the body field.
No, the curl executable calculates that automatically at runtime, so there is no need to manually inject it.
The interface currently supports raw string bodies rather than complex file attachment flags (-F).
Yes, all variables are enclosed in strong single quotes to prevent accidental variable expansion or command injection.
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Demystifying JSON: How to Troubleshoot Common Parsing Errors
JSON is the backbone of web APIs, but syntax mistakes can halt your code. Here is how to identify and fix missing commas, unescaped strings, and trailing characters.
Stop Pasting Secrets Into Random Websites: A Developer's Security Checklist
Every day developers paste API keys, JWTs, and credentials into online tools without a second thought. Here's why that habit is riskier than it seems, and a practical checklist to break it.
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